Wall cleaning valve structure

Details Wall cleaning valve structure Wall cleaning valve structure

1979-09-06

1981-04-14

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

137494, 137541, 251 636, A47L 514

Patent

active

042610753

ABSTRACT:
A valve structure for cleaning purposes extends at least with part of its housing through a hole in a wall to be cleaned. Outlet nozzles in the housing extend so as to direct a cleaning medium substantially in parallel to or at a slight angle relative to the surface to be cleaned. The nozzles are so arranged that substantially a circle is covered by the resulting flow pattern. A valve closure is normally biassed into a nozzle closing position and may be lifted off the valve seat by the pressure of the cleaning medium flowing through the valve structure.

REFERENCES:
patent: 1393548 (1921-10-01), Koudelka
patent: 2374977 (1945-05-01), Bunnell
patent: 3126909 (1964-03-01), Sweatt et al.
patent: 3392956 (1968-07-01), DeFrees
patent: 4204296 (1980-05-01), Reilly

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